Error 0x80047202

Value: -2147192318 | 0x80047202 | 2147774978

What does it mean ?

IFED_S_WORD_EXISTS  
Microsoft IME user dictionary: word already exists in dictionary
Value: 29186 | 0x7202 | 0b0111001000000010

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

Other Errors for FACILITY_ITF